<template>
    <div class="login-container">
        <img class="zhku-logo" src="../../assets/404_images/login-logo.png" alt="">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

            <div class="title-container">
                <h3 class="title">仲恺活动平台管理端</h3>
            </div>

            <el-form-item prop="userAccount">
                <span class="svg-container">
                    <svg-icon icon-class="user" />
                </span>
                <el-input
                    ref="userAccount"
                    v-model="loginForm.userAccount"
                    placeholder="账号"
                    name="userAccount"
                    type="text"
                    tabindex="1"
                    auto-complete="on" />
            </el-form-item>

            <el-form-item prop="password">
                <span class="svg-container">
                    <svg-icon icon-class="password" />
                </span>
                <el-input
                    :key="passwordType"
                    ref="password"
                    v-model="loginForm.password"
                    :type="passwordType"
                    placeholder="密码"
                    name="password"
                    tabindex="2"
                    auto-complete="on"
                    @keyup.enter.native="handleLogin" />
                <span class="show-pwd" @click="showPwd">
                    <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
                </span>
            </el-form-item>

            <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>
        </el-form>
    </div>
</template>

<script>
export default {
    name: 'Login',
    data () {
        // 密码rule
        const validatePassword = (rule, value, callback) => {
            if (value.length < 6) {
                callback(new Error('密码长度不能低于6位'))
            } else {
                callback()
            }
        }
        return {
            loginForm: {
                userAccount: 'suneo',
                password: '123456'
            },
            loginRules: {
                userAccount: [{ required: true, trigger: 'blur', message: '请输入正确的账号' }],
                password: [{ required: true, trigger: 'blur', validator: validatePassword }]
            },
            loading: false,
            passwordType: 'password',
            redirect: undefined
        }
    },
    watch: {
        $route: {
            handler: function (route) {
                this.redirect = route.query && route.query.redirect
            },
            immediate: true
        }
    },
    methods: {
        showPwd () {
            if (this.passwordType === 'password') {
                this.passwordType = ''
            } else {
                this.passwordType = 'password'
            }
            this.$nextTick(() => {
                this.$refs.password.focus()
            })
        },
        handleLogin () {
            this.$refs.loginForm.validate(valid => {
                if (valid) {
                    this.loading = true
                    this.$store.dispatch('user/login', this.loginForm).then(() => {
                        this.$router.push({ path: this.redirect || '/' })
                        this.loading = false
                    }).catch(() => {
                        this.loading = false
                    })
                } else {
                    console.log('提交错误！')
                    return false
                }
            })
        }
    }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
        color: $cursor;
    }
}

/* reset element-ui css */
.login-container {
    .el-input {
        display: inline-block;
        height: 47px;
        width: 85%;

        input {
            background: #d1edfd;
            border: 0px;
            -webkit-appearance: none;
            border-radius: 0px;
            padding: 12px 5px 12px 15px;
            color: #000;
            height: 47px;
            caret-color: $cursor;

            &:-webkit-autofill {
                box-shadow: 0 0 0px 1000px $bg inset !important;
                -webkit-text-fill-color: $cursor !important;
            }
        }
    }

    .el-form-item {
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(255, 255, 255, 0.562);
        border-radius: 5px;
        color: #454545;
    }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
    position: relative;
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    background-image: url("../../assets/404_images/dl-login.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    overflow: hidden;

    .zhku-logo{
        position: absolute;
        top: 100px;
        left: 100px;
    }

    .login-form {
        position: absolute;
        top: 180px;
        right: 90px;
        width: 360px;
        max-width: 100%;
        padding: 20px 35px 0;
        background-color: rgba(255, 255, 255, 0.562);
        border-radius: 16px;
        overflow: hidden;
    }

    .svg-container {
        padding: 6px 5px 6px 15px;
        color: #0019fd;
        vertical-align: middle;
        width: 30px;
        display: inline-block;
    }

    .title-container {
        position: relative;

        .title {
            font-size: 26px;
            color: #666666;
            margin: 0px auto 40px auto;
            text-align: center;
            font-weight: bold;
        }
    }

    .show-pwd {
        position: absolute;
        right: 10px;
        top: 7px;
        font-size: 16px;
        color: #6d727a;
        cursor: pointer;
        user-select: none;
    }
}
</style>
